Job satisfaction refers to “the emotional reactions of individuals to their jobs and their job experiences”.  Hackman and Oldham (1976) state that the MPS is intended to capture the influence of three experienced psychological states (meaningfulness to the work, responsibility for the work, and knowledge of the results) as a result of job design. The motivating potential score is calculated as follows: MPS = ((Skill Variety + Task Identity + Task Significance)/3) * Autonomy * Feedback